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CASAC File Area

The technical subcommittee of (CASAC) was established in 1996 to provide advice and comments to EPA on appropriate methods and network strategies for monitoring of fine particles in the context of implementating the revised national ambient air quality standards (NAAQS) for particulate matter. Go to the "Science Advisory Board's (SAB)" Web page.

Documentation of O3 Monitoring Season Analysis for the Proposed O3 Monitoring Rule
EPA Presentation for CASAC AAMMS Public Teleconference on Ozone monitoring, February 10, 2009
EPA Presentation for CASAC AAMMS Public Teleconference on PM Coarse Speciation, February 11, 2009
Supplemental Information for CASAC AAMMS Consultation to Discuss PM Coarse Monitoring Issues; February 11, 2009
CASAC Consultation on Monitoring Issues related to Ozone Network Design, February 10, 2009
Ozone Monitoring Issues related to the Revised NAAQS: Network Design Options Under Consideration , February 10, 2009
CASAC Consultation on Coarse Partical Speciation, February 11, 2009
Key Issues Related to PM10-2.5 Speciation Monitoring, February 11, 2009
EPA Presentation for CASAC AAMMS Public Teleconference on Pb monitoring, July 14, 2008
Proposed Pb in PM₁₀ FRM for Peer Review by CASAC on July 14, 2008
Memorandum on Approaches for the Development of a low-volume Pb in TSP sampler for Consultation with CASAC AAMMS on July 14, 2008
Slides for EPA introduction for Pb CASAC AAMM Subcommittee Call on March 25, 2008
CASAC Review of Particle Methods and Data Quality Objectives September 2005
Background Info for Sept. 21-22, 2005 meeting, Memorandum from Phil Lorang subject: CASAC Review of Particle Methods and Data Quality Objectives
Background Info for Sept. 21-22, 2005 meeting, Attachment 1 - Summary and Rationale for the PM_10-2.5 FRM
Background Info for Sept. 21-22, 2005 meeting, Attachment 2 - Multi-Site Evaluations of Candidate Methodologies for Determining Coarse Particulate Matter (PM_10-2.5) Concentrations: August 2005 Updated Report Regarding Second- Generation and New PM_10-2.5 Samplers
Background Info for Sept. 21-22, 2005 meeting, Attachment 3 - Memo to PM NAAQS Review Docket (OAR-2001-0017) Potential Changes being Evaluated for the PM_2.5 FRM
Background Info for Sept. 21-22, 2005 meeting, Attachment 4 - Criteria for Designation of Equivalence Methods for Continuous Surveillance of PM_2.5 Ambient Air Quality
Background Info for Sept. 21-22, 2005 meeting, Data Quality Objectives for PM Continuous Methods II--June 2004
Background Info for Sept. 21-22, 2005 meeting, Data Quality Objectives for PM Continuous Methods--June 2003
Background Info for Sept. 21-22, 2005 meeting, Attachment 5 - Technical Report on Sensitivity of the PM_10-2.5 Data Quality Objectives to Spatially Related Uncertainties
Background Info for Sept. 21-22, 2005 meeting, The PM_10-2.5 Data Quality Objectives Model
Background Info for Sept. 21-22, 2005 meeting, Attachment 6 - Technical Report on PM_10-2.5 Method Equivalency Development
Background Info for Sept. 21-22, 2005 meeting, Network Operation of the PM_10-2.5 Difference Method
Background Materials for December 15, 2004 CASAC Meeting, National Ambient Air Monitoring Strategy - A Comprehensive Re-examination and Re-configuration of Air Monitoring Networks
Background Materials for December 15, 2004 CASAC Meeting, The National Ambient Air Monitoring Strategy document
Background Materials for July 22, 2004 CASAC Meeting, CASAC Consultation on PM Coarse Methods Evaluation
Background Materials for July 22, 2004 CASAC Meeting, Summary of Past Interactions between EPA and CASAC on PMc Measurement Methods
Background Materials for July 22, 2004 CASAC Meeting, Multi-Site Evaluations of Candidate Methodologies for Determining Coarse Particulate Matter (PMc) Concentrations
Background Materials for July 22, 2004 CASAC Meeting, Use of a Performance Based Approach to Determine Data Quality Needs for the PM-Coarse (PMc) Standard
Background Materials for July 22, 2004 CASAC Meeting, General Characterization of PMc as found in the U.S., based upon data from current network of PM₁₀ and PM_2.5Monitors
CASAC Review of the Agency's National Ambient Air Strategy
March 2, 2002 Review by the Clean Air Scientific Advisory Committee of the Agency's draft Continuous Monitoring Implementaton Plan
Final report - Exploring Opportunities for Accommodating Emerging Technologies for Continuous Monitoring in Routine Air Monitoring Networks - A Commentary Stemming from a CASAC/Agency Workshop
Preliminary agenda of the 01/22/2001 CASAC meeting
A copy of the FEDERAL REGISTER notice announcing 01/22/2001 CASAC meeting
A copy of the Draft White paper for the 01/22/2001 CASAC meeting
A copy of the preliminary agenda and supporting materials for the April 18-19,2000 CASAC meeting
A copy of the revised agenda for the July 29, 1999 CASAC Meeting and copies of CASAC presentation materials
Copies of several documents for the July 29, 1999 CASAC Meeting
A copy of a July 13, 1999 letter from EPA's Richard Scheffe to Dr. Philip K. Hopke of Clarkson University
A copy of the Atlanta SuperSite '99 Study Protocol
A copy of the Fresno SuperSite '99 Study Protocol
A copy of a letter from USEPA Administrator Browner to Dr. Joe Mauderly, Chair, Clean Air Scientific Advisory Committee (CASAC), signed April 21, 1999. This letter was in response to CASAC's January 28, 1999 report reviewing EPA's PM2.5 monitoring program.
A copy of the November 10, 1998 letter from EPA's Dr. Richard Scheffe to Dr. Phillip Hopke, Chair of the CASAC Technical Subcommittee for Fine Particle Monitoring
A copy of the "Report of the PM Measurements Research Workshop (07/22-23/98)"
Copy of the draft "Field Program Plan for The PM2.5 Chemical Speciation Sampler Evaluation Study"
Copy of the "Draft Supersites Conceptual Plan"
Overview of National PM2.5 Monitoring Networks
Second draft (October 20, 1998) "Particulate Matter (PM2.5) Speciation Guidance Document

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